+ return Fadt->Century;\r
+ } else {\r
+ return 0;\r
+ }\r
+}\r
+\r
+/**\r
+ Notification function of ACPI Table change.\r
+\r
+ This is a notification function registered on ACPI Table change event.\r
+ It saves the Century address stored in ACPI FADT table.\r
+\r
+ @param Event Event whose notification function is being invoked.\r
+ @param Context Pointer to the notification function's context.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+PcRtcAcpiTableChangeCallback (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_TIME Time;\r
+ UINT8 CenturyRtcAddress;\r
+ UINT8 Century;\r
+\r
+ CenturyRtcAddress = GetCenturyRtcAddress ();\r
+ if ((CenturyRtcAddress != 0) && (mModuleGlobal.CenturyRtcAddress != CenturyRtcAddress)) {\r
+ mModuleGlobal.CenturyRtcAddress = CenturyRtcAddress;\r